| From: | Robert Haas <rhaas(at)postgresql(dot)org> |
|---|---|
| To: | pgsql-committers(at)postgresql(dot)org |
| Subject: | pgsql: Fix costing for parallel aggregation. |
| Date: | 2016-04-12 20:47:28 |
| Message-ID: | E1aq5Dc-0005YW-MM@gemulon.postgresql.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-committers |
Fix costing for parallel aggregation.
The original patch kind of ignored the fact that we were doing something
different from a costing point of view, but nobody noticed. This patch
fixes that oversight.
David Rowley
Branch
------
master
Details
-------
http://git.postgresql.org/pg/commitdiff/deb71fa9713dfe374a74fc58a5d298b5f25da3f5
Modified Files
--------------
src/backend/optimizer/plan/planner.c | 39 +++++++++++++++----
src/backend/optimizer/util/clauses.c | 75 ++++++++++++++++++++++++++++--------
src/include/optimizer/clauses.h | 3 +-
3 files changed, 92 insertions(+), 25 deletions(-)
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